/Engine/Source/Editor/BlueprintEditorLibrary/Public/BlueprintEditorLibrary.h
Finds the event graph of the given blueprint. Null if it doesn't have one. This will only return the primary event graph of the blueprint (the graph named "EventGraph").
UEdGraph* Event graph of the blueprint if it has one, null if it doesn't have one
static [UEdGraph](API\Runtime\Engine\EdGraph\UEdGraph) * FindEventGraph ( [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * Blueprint )